WO2023098989A1 - Installation haute tension comprenant une pluralité de cellules électroniques de puissance et guide d'ondes - Google Patents

Installation haute tension comprenant une pluralité de cellules électroniques de puissance et guide d'ondes Download PDF

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Publication number
WO2023098989A1
WO2023098989A1 PCT/EP2021/083750 EP2021083750W WO2023098989A1 WO 2023098989 A1 WO2023098989 A1 WO 2023098989A1 EP 2021083750 W EP2021083750 W EP 2021083750W WO 2023098989 A1 WO2023098989 A1 WO 2023098989A1
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WO
WIPO (PCT)
Prior art keywords
waveguide
power electronic
installation
cell
signals
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Application number
PCT/EP2021/083750
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English (en)
Inventor
Arne SCHROEDER
Michele LUVISOTTO
Torsten Nilsson
Original Assignee
Hitachi Energy Switzerland Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Hitachi Energy Switzerland Ag filed Critical Hitachi Energy Switzerland Ag
Priority to CN202180104604.9A priority Critical patent/CN118339772A/zh
Priority to PCT/EP2021/083750 priority patent/WO2023098989A1/fr
Priority to EP21823860.8A priority patent/EP4416850A1/fr
Publication of WO2023098989A1 publication Critical patent/WO2023098989A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/52—Systems for transmission between fixed stations via waveguides

Definitions

  • the present disclosure relates to high voltage installation comprising a plurality of power electronic cells configured to operate at di f ferent electrical potentials and a waveguide configured to carry and shield HF communication signals of the plurality of power electronic cells .
  • Document EP 1 239 600 Bl discloses a wireless communication system using a waveguide .
  • a communication device for transmitting signals between a substation control unit and control units of bay elements comprise transceiving devices connected to the substation and the bay element control units , and a waveguide enclosing and connecting antennas of said transceiving devices .
  • the transceiving devices produce electromagnetic radio frequency waves to communicate information between the control units .
  • the waveguide protects the waves against interference .
  • Embodiments of the disclosure relate to a high voltage (HV) installation using high- frequency (HF) communication signals .
  • HV high voltage
  • HF high- frequency
  • a HV installation comprises a plurality of power electronic cells , in particular power electronic switching cells , configured to operate at di f ferent electrical potentials , each power electronic cell comprising a cell-side transceiver with an antenna for receiving and/or transmitting HF communication signals , and a waveguide configured to carry and shield HF communication signals of the plurality of power electronic cells .
  • the waveguide has a plurality of sections configured to leak HF communication signals present in the waveguide into a corresponding plurality of adj oining areas and vice versa .
  • Each power electronic cell of the plurality of power electronic cells is arranged physically separated and in proximity to the waveguide , such that the respective power electronic cell is electrically insulated from the waveguide and the antenna of the respective cell-side transceiver is arranged in the respective adj oining area .
  • Such an arrangement is particularly useful for transmitting and shielding high frequency communication signals in distributed HV applications , such as di f ferent cells of a substation operating at di f ferent voltage potentials .
  • distributed HV applications such as di f ferent cells of a substation operating at di f ferent voltage potentials .
  • the inventors have discovered that by physically separating the power electronic cells from a leaky waveguide , i . e . a waveguide comprising sections configured to leak HF communication signals present in the waveguide into a corresponding plurality of adj oining areas and vice versa, various forms of HF wireless communication system can be applied in HV installations , wherein di f ferent power electronic cells operate at di f ferent electrical potentials and therefore need to be insulated from one another .
  • the used communication channel can be protected from outside disturbances , such as network j ammers , to protect critical parts of an electrical network .
  • the relatively high installation ef fort required for installing dedicated optical links between cells of a HV installation can be avoided .
  • the waveguide is configured to carry HF communication signals having a carrier frequency in excess of 1 GHz , preferably in excess of 10 GHz , and/or below 300 GHz and/or having a wide bandwidth in excess of 20 or 50 MHz or in excess of 2 GHz .
  • Microwave band electromagnetic signals in excess of several GHz are highly attenuated in conventional free space communication .
  • waveguides can propagate over distances typically incurred in HV installations , e . g . tenth to hundreds of meters without signi ficant attenuation .
  • Use of such high frequencies signals therefore helps to protect communication signals from outside disturbances as any source of interference would have to be located very close to the HV installation, making deliberate attacks very di f ficult and remote attacks practically infeasible for physical limitation placed on the required transmission power .
  • waveguides also makes further frequency resources available for controlling and monitoring power electronic cells . Enabling broader bandwidth in turn enables to carry multiple HF communication signals having di f ferent carrier frequencies in parallel , which allows to increase at least one of the communication signal transmission redundancy and/or to reduce a communication signal transmission delay by trans ferring multiple communication signals in parallel using di f ferent carrier frequencies .
  • HF communication signals may be exchanged directly between two or more of the plurality of power electronic cells , e . g . in a peer-to-peer architecture , or between one of the power electronic cells and at least one control hub coupled to the waveguide using at least one hub-side transceiver .
  • a control hub may generate HF control signals for the power element cells , such as firing signals and/or synchroni zation signals , and/or receive HF operating status signals from the power element cells , such as logging signals , fault recording signals and/or health monitoring signals .
  • the at least one hub-side transceiver may be attached to a first terminal section of the waveguide and may be connected to the at least one control hub using an optical fiber network, such that the waveguide is electrically insulated from the at least one control hub .
  • an optical fiber network such that the waveguide is electrically insulated from the at least one control hub .
  • redundant communication channels between the plurality of power electronic cells and at least one control hub may be created by using multiple parallel waveguides , multiple cell-side transceivers , multiple hubside transceivers and/or multiple control hubs .
  • the plurality of power electronic cells may be divided into N subgroups , with each of the subgroups being connected via a different one of N waveguides.
  • different cell subgroups and their waveguides can be operated at different voltage levels, e.g. an average voltage level of the subgroup of cells, to minimize the required distance between the respective waveguide and the individual power electronic cells to a minimum.
  • At least one of the antennas of the cell-side transceivers is configured as a first directional antenna and/or at least one of the plurality of sections of the waveguide comprises a second directional antenna.
  • Use of directional antennas reduces unwanted crosstalk between individual power electronic cells and thereby improves the signal to noise ratio. It also makes it more difficult to disturb the communication from the outside, for example using a jammer. Moreover, it enables greater distances between the waveguide and the respective power electronic cells for a given carrier frequency.
  • Directional antennas may be formed as patch antennas, array antennas, leaky array antennas, horn antennas, or any other type of antenna forming a directed, anisotropic electrical field .
  • each section of the plurality of sections of the waveguide may comprise at least one opening, in particular one of a slit, a row of holes, or an array of holes, which are configured to leak the HF communication signals into the corresponding plurality of adjoining areas.
  • Such openings or the antennas of the HV installation may be protected from environmental influences using protective elements , such as a radome covering the antennas and/or a dielectric lenses covering at least one opening in at least one of the plurality of leaky sections .
  • Such protective elements may also be used for field shaping, such as improving the directionality of the antenna or opening underneath the protective element .
  • Radomes and dielectric lenses may also exhibit a frequency selectivity .
  • frequencies in a certain band e . g . used for exchanging the HF communication signals with the power electronic cells , can pass and other frequencies can be attenuated or blocked .
  • a body of the waveguide may be formed by di f ferent types of waveguides , such as a hollow metallic waveguide , a dielectric waveguide , a coaxial cable , or a stripline waveguide .
  • Such types of waveguides are widely available and may be adapted, for example by the addition of opening as detailed above , to leak HF communication signals carried therein into desired areas adj oining the waveguide .
  • FIG. 1 shows , in a schematic manner, a HV installation comprising multiple power electronic cells and a leaky waveguide .
  • Figure 2 shows a more detailed view of the coupling between a leaking section of the waveguide and a power electronic cell .
  • Figures 3 and 4 shows the attenuation of HF communication signals in a waveguide and in free space , respectively .
  • Figure 5 shows di f ferent configurations of a leaky waveguide with openings in a linear arrangement .
  • Figure 6 shows di f ferent configurations of a leaky waveguide with openings in a non-linear arrangement .
  • Figure 7 shows a HV installation comprising a central control hub, a common leaky waveguide and a plurality of power electronic cells .
  • Figure 8 shows a HV installation comprising a central control hub, multiple leaky waveguides and corresponding subgroups of power electronic cells .
  • Figure 9 shows an internal structure of one power electronic cell comprising multiple devices .
  • Figure 10 shows di f ferent approaches for establishing redundant communication channels in a HV installation .
  • Figure 11 shows an undesired multipath coupling between a leaky waveguide and multiple power electronic cells .
  • Figure 12 shows di f ferent radiation patterns of non- directional and directional antennas .
  • Figure 13 shows di f ferent configurations of directional antennas .
  • Figure 14 shows the mounting of a directional antenna underneath a radome .
  • Figure 15 shows the embedding of a HF lens into an opening of a leaky waveguide .
  • Figure 16 shows a leaky waveguide having multiple directional couplings .
  • High voltage direct current (HVDC ) and flexible alternating current transmission systems ( FACTS ) converter stations comprise several power semiconductor switching cells . These switching cells are arranged within valve structures in case of HVDC systems or power electronic building blocks ( PEBB ) in case of FACTS .
  • each power electronic cell is connected to a control unit via a high speed, real-time communication network .
  • the communication between the control unit and the individual cells and the electronic devices comprised therein includes gate firing signals , operating status signals and cell monitoring signals , for example .
  • high voltage may refer to any voltage in excess of 1 kV used in energy distribution networks .
  • it may refer to medium voltage , high voltage , extra high voltage or ultra-high voltage energy distribution networks having a rated operating voltage in excess of 1 kV, 60 kV, 220 kV, or 800 kV for example .
  • conventional , e . g . radio-link, wireless communication systems such as WiFi networks according to the IEEE 802 . 11 series of standards
  • WiFi networks according to the IEEE 802 . 11 series of standards
  • radio signals can be distorted and attenuated by the metallic structures of HV equipment , or disturbed by neighboring communication, such as neighboring WiFi networks .
  • neighboring communication such as neighboring WiFi networks .
  • the use of a conventional wireless communication system may present a weakness in a corresponding part of the infrastructure .
  • the use of a wide spectrum j ammer could be used to ef fectively block firing signal , thus deactivating the corresponding converter station .
  • Figure 1 shows a first HV installation 100 comprising three power electronic cells 110 and one waveguide 120 .
  • Each one of the power electronic cells 110 may be arranged on a di f ferent electrical potential , e . g . Vi to V 3 .
  • the waveguide 120 comprises sections 122 configured to leak at least some of the HF signal carried inside the waveguide 120 to its outside and vice versa .
  • the waveguide 120 may be referred to as " leaky waveguide” and the sections 122 may be referred to as “ leaky sections” .
  • the leaky sections 122 are arranged at regular intervals from each other and opposite the locations of the individual power electronic cells 110 .
  • An HF communication signal 124 travelling within the waveguide 120 leaks out towards the respective power electronic cells 110 in the sections 122 .
  • a local electrical field is created in adj oining areas 126 , in which the HF communication signal 124 can be picked up by the power electronic cells 110 .
  • the HF communication signal 124 has such a low signal strength that it cannot be received with a conventional receiver or transceiver .
  • FIG. 2 shows the HF signal coupling between the waveguide 120 and the power electronic cell 110 in more detail .
  • the power electronic cells 110 comprise at least one transceiver 112 , which in turn is connected to an antenna 114 .
  • the antenna 114 is arranged at a side of the power electronic cell 110 facing the leaky section 122 of the waveguide 120 .
  • the waveguide 120 comprises an opening 128 there , facing the antenna 114 . That is to say, the opening 128 or other leaky part of the waveguide 120 and the cell-side antenna 114 are arranged opposite to each other and are configured to exchange HF signals over the relative short air gap between them, used to electrically insulate the cell 110 from the waveguide 120 .
  • the opening 128 may be protected by a radome 130 to protect the inside of the waveguide 120 from environmental influences , such as moisture or dirt . This is particularly useful in an outdoor environment .
  • the HF communication signals 124 exchanged between the antenna 114 and the waveguide 120 may have a very high carrier frequency and/or bandwidth .
  • Use of so-called super high frequency ( SHF, 3-30 GHz ) and extremely high frequency (EHF, 30-300 GHz ) signals has the advantage that the respective communication signals 124 are attenuated rapidly in air or other environments , such as a free space (vacuum) or protective gas , and this ef fectively prevents or at least limits their disturbance .
  • any signal source placed outside a power station e . g . tens to hundred meters away, will face signi ficant signal attenuation .
  • the free space path loss of 20 GHz , 60 GHz and 120 GHz communication signals lies at or exceeds 100 dB .
  • very powerful signal sources would be required to disturb such corresponding SHF or EHF signals from a reasonable distance, making a potential jamming of the HF communication signals 124 from outside practically unfeasible.
  • the signal loss of HF communication signals 124 in different frequency ranges between 10 and 100 GHz inside an appropriate waveguide is relatively good.
  • signal attenuation lies only between 0.1 and about 3 dB per meter of length of the used waveguide.
  • successful communication within a typical high voltage installation with waveguide length of several meters to several tens of meters using HF communication signals 124 is possible.
  • the additional attenuation in the free space between the leaky waveguide 120 and the antenna 114 of the respective power electronic cell 110 is relatively low, as typically only a few centimeters to a few tens of centimeters needs to be bridged.
  • Figure 5 shows different configurations of leaky sections 122 of different waveguides 120 arranged in linear fashion, i.e. along a common axis corresponding to the main axis of the waveguide 120.
  • the leaky sections 122 are arranged at a distance D from each other, for example with respect to their centers as shown in Fig. 5.
  • Figure 5 (a) shows a single rectangular slit 132 arranged within each leaky section 122.
  • Figure 5 (b) shows a single rounded slit 134, i.e. a slit with rounded corners.
  • the frequency and spatial characteristic of the leaked electrical field can be influenced by the dimension of the slits 132 and 134, in particular, their length L and width W.
  • Figure 5 ( c ) shows another configuration of a leaky waveguide 122 , wherein in each leaky section 122 a single circular hole 136 is provided .
  • Figure 5 ( d) shows yet another configuration of a waveguide 120 , wherein in each leaky section 122 a row of holes 136 is provided .
  • three circular holes 136 are arranged in a single row at periodic intervals I .
  • the transmission characteristics of the leaky sections 122 are essentially defined by the radius R of the hole 136 , and optionally, by the number of holes and their interval I .
  • a one dimensional arrangement of slits may be used in each leaky section 122 (not shown) .
  • Figure 6 shows further configurations of leaky sections 122 of di f ferent waveguides 120 arranged in a non-linear or multi-dimensional fashion .
  • three rounded slots 134 are arranged slightly of fset in a direction perpendicular to the main direction of the waveguide 120 and its normal surface , i . e . the direction into which it leaks .
  • the middle slot 134 is arranged in a central position X, Y of the leaky section 122 .
  • the rounded slots 134 on either side of the central slot 134 are arranged at position X-DX and X+DX respectively along the main direction and at positions Y-DX and Y+DY in the perpendicular direction, as shown .
  • a two-dimensional array of circular holes 136 is provided in each leaky section 120 .
  • two rows of three circular holes 136 each are provided in each section 122 .
  • these are spaced by first distance DX in the main direction from each other and by a second distance DY in a second, orthogonal direction .
  • the distances DX and DY may be the same or may be di f ferent .
  • the provision of an array 136 of holes 136 essentially implements a leaky array antenna 138 which has directional properties .
  • Figure 7 shows a second HV installation 200 comprising a total of six power electronic cells 110 , a common, linear waveguide 120 and a control hub 210 .
  • the control hub 210 is connected by a communication link 212 , such as a wired or optical network with a hub-side transceiver 214 .
  • the hub-side transceiver 214 is arranged at a first terminal section of the linear waveguide 120 and is used for feeding control signals into the waveguide 120 and receiving operating status signals from the waveguide 120 .
  • the hub-side transceiver 214 may include some additional HF ampli bomb to boost the signal power .
  • a termination element 216 is provided, which avoids unwanted reflections of the HF communication signal 124 within the waveguide 120 .
  • the waveguide 120 can be arranged below or above the respective cabinets without touching or being electrically connected to them .
  • control hub 210 can communicate with each one of the power electronic cells 110 by exchanging HF communication signals 124 between the hub-side transceiver 214 and the respective cell-side transceivers 112 (not shown in Figure 7 ) .
  • the individual power electronic cells 110 can also communicate directly with each other by exchanging HF communication signals 124 between respective cell-side transceivers 112 through the waveguide 120 .
  • the second HV installation may be used to control the switching of semiconductor cells in a converter, such as a HVDC or FACTS converter .
  • a converter such as a HVDC or FACTS converter
  • the voltage potentials of the individual switching power electronic cells 110 of the converter oscillate around a common voltage , such as electrical ground .
  • the waveguide 120 may be connected to such a common potential , in particular electrical ground .
  • the waveguide 120 can be connected to the control hub 210 using a wired network .
  • FIG. 8 shows a third high voltage installation 300 comprising a total of 16 power electronic cells 110 arranged in four subgroups 330 of four cells 110 each .
  • Each subgroup 330 comprises a separate waveguide 120 , which is essentially configured in a similar way as the waveguides 120 described above .
  • the di f ferent waveguides 120 of the four subgroups 330 each have a corresponding hub-side transceiver 214 , which is connected by respective optical fiber link 312 to a common control hub 210 .
  • the HV installation 300 of Figure 8 may be a HVDC installation, in which switching cells are arranged in groups of stacked layers , also referred to as valve structures .
  • One leaky waveguide 120 is provided for each row of switching cells 110 , also referred to as a module in this context .
  • the transceivers 214 are connected to a valve control unit in the control hub 210 on an electrical ground potential via an optical backbone formed by the fiber links 312 .
  • Figure 9 shows a fourth HV installation 400 comprising six power electronic cells 110 and a waveguide 120 as described before .
  • the HV installation 400 may represent an enhanced converter with active energy storage , such as a HVDC or FACTS converter .
  • the waveguide 120 may be used for communication between a main controller (not shown in Figure 9 ) and local control units 412 arranged at a top or bottom of corresponding energy storage cabinets 410 .
  • the local control units 412 can then communicate with individual storage units 414 , such as supercapacitors , through a local wired network 416 .
  • the waveguide 120 can be electrically connected to a ground potential and be installed below or above the cabinets 410 housing the storage units 414 .
  • Figure 10 shows three di f ferent approaches for creating redundant communication channels in one of the HV installations described before .
  • two redundant waveguides 120 are arranged in parallel below or above a corresponding power electronic cell 110 .
  • the power electronic cells 110 and the two ( or more ) waveguides 120 are arranged in such a way that one or more antennas 114 of a cell-side transceiver 112 may receive HF communication signals 122 from each one of the waveguides 120 .
  • Figure 10 (b ) shows another approach to achieve redundancy with regard to the waveguides 120 .
  • two essentially linear waveguides 120 are adj oined by a T- j unction 502 to receive signals from and forward signals to a single hub-side transceiver 214 .
  • the provision of an additional transceiver 214 can be avoided .
  • FIG. 10 ( c ) shows yet another approach for achieving redundancy .
  • two redundant hub-side transceivers 214 are connected to two parallel terminal sections of a common waveguide 120 .
  • the respective terminal sections are j oined by an ( inverse ) T-j unction 504 .
  • two waveguides 120 are connected by respective hub-side transceivers 214 and optical fiber links 312 to a common control hub (not shown) .
  • a common control hub not shown
  • more than one cell-side transceiver 112 and/or antenna 114 may be employed for each power electronic cells 110 .
  • the signal attenuation in free-space is quite high, in particular for SHF and EHF communication signals 124 , limiting unwanted coupling between neighboring areas 126 .
  • some undesired multipath propagation may occur as shown in Figure 11 . This may be the case when the distance between the waveguide 120 and individual power electronic cells 110 has to be increased, for example due to particularly high voltage potentials of the individual power electronic cells 110 with respect to the electrical potential of the waveguide 120 .
  • a single slot 132 in each leaky section 122 of the waveguide 120 as shown in Figure 11 provides a rather wide radiation pattern, which can cause crosstalk between the neighboring leaky waveguide sections 122 and cell-side transceivers 112 , which in turn downgrades the communication performance .
  • directional antennas may be used instead .
  • Figure 12 shows the respective radiation pattern of a non-directional antenna 508 and a directional antenna 510 .
  • a directional antenna 510 may be formed on the leaky section 122 of the waveguide 120 , may be connected to the cell-side transceivers 112 , or both .
  • Figure 13 shows possible implementations for directional antenna 510 .
  • Figure 13 (A) shows a patch antenna 512 of dimensions 60x60 mm for communication in a 3 GHz frequency range .
  • Figure 13 (B ) shows an area antenna 514 with a total of 64 antenna elements 516 arranged in eight rows and eight columns having essentially the same dimension and configured for a carrier frequency of 30 GHz .
  • the directional antennas 510 may be connected to the cell-side transceivers 112 in a conventional manner .
  • Figure 14 further shows how such a directional antenna 510 may be attached to a leaky section 122 of a waveguide 120 .
  • an antenna like signal pick-up element 518 extends from the directional antenna 510 towards the inside of the waveguide 120 .
  • the signal pick-up element 518 picks up the HF communication signal 124 propagating through the waveguide and emits a corresponding electromagnetic signal towards the power electronic cell 110 (not shown in Figure 14 ) .
  • the directional antenna 510 is arranged below a radome 130 , which protects the antenna 510 and the inside of the waveguide 120 from outside elements , such as moisture , dirt or hazardous substances .
  • the radome 130 may also act as a high frequency lens and enhance the directivity of the directional antenna 510 arranged below .
  • Figure 15 shows another protection mechanism for a waveguide 120 using a single opening 128 to leak an HF communication signal 124 in section 122 of the waveguide 120 .
  • the opening 128 is sealed by an HF lens 522 .
  • the HF lens 522 also serves as a field shaping element and may focus the leaked electromagnetic field on a corresponding antenna 114 of a cell-side transceiver 112 (not shown) .
  • Figure 16 shows another embodiment of a waveguide 120 having several leaky sections 122 .
  • the leaky sections 122 described so far were non-directional and allowed both cell-to-cell communication as well as cell-to-hub communication .
  • directional couplers 530 are employed .
  • the directional couplers 530 facilitate selected propagation of HF communication signals 124 from a hub-side transceiver 214 towards each of three cell-side transceivers 112 arranged in the respective leaky sections 122 and vice versa .
  • practically no signal propagation takes place in the opposite direction, e . g . from one of the leaky sections 112 towards a second terminal section of the waveguide 120 where a termination element 216 is arranged .
  • cell-to-cell communication is ef fectively prevented .
  • unwanted cross-coupling between individual power electronic cells 110 can be reduced signi ficantly, further improving a signal-to-noise ratio .
  • the relatively wide bandwidth of the used waveguide channels allows frequency diversity and/or frequency multiplexing to be exploited .
  • a transceiver such as the hub-side transceiver 214 sends multiple copies of the same signal at di f ferent frequency in ranges admitted by the waveguide 120 in order to improve the chances of success ful transmission .
  • such an HV installation can be combined with one of the physically redundant communication channels as shown in Figure 10 to further increase the reliability .
  • the same transceiver such as the hubside transceiver 214
  • the same transceiver is equipped with multiple HF modules , each module simultaneously transmitting at di f ferent frequency to reach di f ferent power electronic cells 110 . This facilitates shortening of the communication cycle times or allows to serve more cells 110 in the same cycle time .
  • power electronic cells 110 and control hubs 210 could simultaneously communicate in both directions using di f ferent frequencies by employing frequency division duplexing (FDD) to reduce the overall latency of the communication network formed between the components of the HV installation .
  • FDD frequency division duplexing
  • cell-to-cell communication can happen at the same time as controller-to-cell communication using di f ferent carrier frequencies .
  • the various components , systems and installations described above have the following benefits : They enable radio frequency and, in particular, microwave frequency communication for high voltage and medium voltage systems as the use of waveguides 120 minimi zes the path loss providing a low attenuation propagation channel . At many wavelengths , the communication reliability can be increased or, alternatively, the power and cost of transmitting devices , such as the cellside transceivers 112 and the hub-side transceivers 214 , can be reduced .
  • the waveguides 120 also provide a well-defined propagation path and therefore reduces multipath and crosspath talk defects signi ficantly . They also protect the HF communication signal 124 from external interference , including intentional interference by j ammers or similar devices . They enable in particular a waveguide system for microwave communication providing ultra-high bandwidths with the consequence of benefits in terms of low latency and high reliability .
  • the required HF components have a high maturity and comparatively low component costs .
  • Many high frequency components are available for the considered high frequency communication range .
  • the leaky waveguide 120 is very well suited for HV application as insulation issues are unlikely to occur . Di f ferences in electrical potential are bridged by free-space HF propagation between the waveguide 120 and the cell-side transceivers 112 . There is no direct connection between the waveguide system and the cell-side transceivers 112 as required . Multiple optical fibers used in current optical networks of HV and MV applications can be replaced by one single leaky waveguide 120 , greatly simpli fying the ef forts related to structural design, installation, commissioning and maintenance of the optical cables .
  • the insulation design for the leaky waveguide system can be done by dimensioning the airgap according to established guidelines for insulation in air and will not be signi ficantly influenced by environmental conditions .
  • the waveguide 120 itsel f can be easily protected from environmental influences through use of radomes or similar protection features .
  • the proposed solution simpli fies the insulation design, reduces insulation risk associated with conventional optical fiber networks , and diminishes the need for a climate control compared to fiberbased solutions .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Waveguide Aerials (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

La présente divulgation concerne une installation haute tension (HV) (100, 200, 300, 400), comprenant une pluralité de cellules électroniques de puissance (110), en particulier des cellules de commutation électronique de puissance, configurées pour fonctionner à des potentiels électriques différents, chaque cellule électronique de puissance (110) comprenant un émetteur-récepteur côté cellule (112) avec une antenne (114) pour recevoir et/ou émettre des signaux de communication haute fréquence (HF) (124), et un guide d'ondes (120) configuré pour transporter et protéger des signaux de communication HF (124) de la pluralité de cellules électroniques de puissance (110). Le guide d'ondes (120) comporte une pluralité de sections (122) configurées pour détecter des signaux de communication HF (124) présents dans le guide d'ondes (120) dans une pluralité correspondante de zones adjacentes (126) et vice versa. Chaque cellule électronique de puissance (110) parmi la pluralité de cellules électroniques de puissance (110) est disposée de manière à être physiquement séparée et à proximité du guide d'ondes (120), de telle sorte que la cellule électronique de puissance respective (110) est électriquement isolée du guide d'ondes (120) et l'antenne (114) des émetteurs-récepteurs côté cellule respectifs (112) est disposée dans la zone adjacente respective (126).
PCT/EP2021/083750 2021-12-01 2021-12-01 Installation haute tension comprenant une pluralité de cellules électroniques de puissance et guide d'ondes WO2023098989A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202180104604.9A CN118339772A (zh) 2021-12-01 2021-12-01 包括多个电力电子单元和波导的高压设施
PCT/EP2021/083750 WO2023098989A1 (fr) 2021-12-01 2021-12-01 Installation haute tension comprenant une pluralité de cellules électroniques de puissance et guide d'ondes
EP21823860.8A EP4416850A1 (fr) 2021-12-01 2021-12-01 Installation haute tension comprenant une pluralité de cellules électroniques de puissance et guide d'ondes

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PCT/EP2021/083750 WO2023098989A1 (fr) 2021-12-01 2021-12-01 Installation haute tension comprenant une pluralité de cellules électroniques de puissance et guide d'ondes

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1239600B1 (fr) 2001-03-07 2007-11-14 Abb Research Ltd. Système de communication sans fil utilisant un guide d'ondes
US20200099107A1 (en) * 2018-09-25 2020-03-26 Em Microelectronic-Marin Sa System for managing at least one sub-assembly of an electric battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1239600B1 (fr) 2001-03-07 2007-11-14 Abb Research Ltd. Système de communication sans fil utilisant un guide d'ondes
US20200099107A1 (en) * 2018-09-25 2020-03-26 Em Microelectronic-Marin Sa System for managing at least one sub-assembly of an electric battery

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CN118339772A (zh) 2024-07-12

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